#include<bits/stdc++.h>

using namespace std;

int main() {
    char s[100] = "L ORYH BRX";
    for (int k = 1; k <= 25; k++) {
        cout << "k=" << k << ":";
        for (int i = 0; i < 10; i++) {
            char c = s[i];
            if ('Z' >= c && c >= 'A') {
                c = 'A' + (c - 'A' + k) % 26;
            }
            cout << c;
        }
        cout << endl;

    }

    return 0;
}
